Marine spark plugs are essential components designed to ignite the fuel-air mixture in marine engines, ensuring smooth and efficient performance. Built for outboard and inboard engines, they withstand harsh marine conditions, including exposure to saltwater and humidity.
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1-2 weeks delivery time The BUHX spark plug is built for reliability and performance across different engine types, with a spanner size of 20.8 mm and a thread length of 12.7 mm. It is produced by NGK, with product number 2522.
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$ 12.76
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1-2 weeks delivery time Designed for optimal ignition, the BUZ8H spark plug offers stability and efficiency, featuring a spanner size of 20.8 mm and a thread length of 12.7 mm. This product is also from NGK, with product number 7447.
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$ 26.01
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1-2 weeks delivery time The BZ7HS-10 spark plug incorporates advanced inductive suppression technology, characterized by its 14 mm thread size and 20.8 mm hex size. It is manufactured by NGK and has the product number 3579.
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$ 15.93
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1-2 weeks delivery time Crafted for durability and efficiency, the CMR6H spark plug ensures smooth engine operation, with a thread diameter of 18 mm and a thread length of 12 mm. It is produced by NGK, carrying product number 4794.
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$ 9.29
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1-2 weeks delivery time The CMR7H spark plug is engineered for optimal engine performance and reliability, featuring a 16 mm spanner size, M10 x 1.0 thread size, and a nickel middle electrode. It ensures efficient combustion and reduced emissions with a spark position of 1.0 mm and interference suppression of 10 kOhm.
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$ 9.85
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1-2 weeks delivery time The CPR6EA-9 spark plug offers excellent ignition performance suitable for various engines, boasting a 16 mm spanner size and M10 x 1.0 thread size. With a thread length of 19.0 mm and a spark position of 3.0 mm, it features a durable nickel middle electrode and 5 kOhm interference suppression.
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$ 18
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1-2 weeks delivery time The CR4HSB spark plug is designed for high performance, featuring a resistor type design that reduces emissions and enhances ignition reliability. It has a 10 mm thread size, 16 mm hex size, and a reach of 9.5 mm, making it suitable for efficient engine operation.
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$ 6.77
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1-2 weeks delivery time The CR5EH-9 spark plug provides maximum performance and durability, with a 10 mm thread size and a reach of 12.7 mm. This resistor type plug features a spark gap of 0.9 mm and is designed for a variety of applications, ensuring reliable ignition.
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$ 20.72
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1-2 weeks delivery time The CR5HSA spark plug is built for reliable ignition and performance across various engines, featuring a 10 mm thread diameter and a thread length of 12.7 mm. Its design ensures optimal combustion efficiency, making it a trustworthy choice for engine maintenance.
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$ 12.95
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1-2 weeks delivery time The CR5HSB spark plug enhances engine efficiency with its advanced design, featuring a 16 mm spanner size and M10 x 1.0 thread size. With a thread length of 12.7 mm and a spark position of 1.5 mm, it includes a nickel middle electrode and 5 kOhm interference suppression.
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$ 6.61
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1-2 weeks delivery time The CR6E spark plug is crafted for high performance and reliability, featuring a 16 mm spanner size and M10 x 1.0 thread size. With a thread length of 19.0 mm and a spark position of 0.5 mm, it ensures effective ignition suitable for various engine types.
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$ 18.35
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1-2 weeks delivery time The CR6HS spark plug is designed for optimal performance, featuring a 16 mm spanner size and M10 x 1.0 thread size. With a thread length of 12.7 mm and a spark position of 1.5 mm, its advanced features contribute to improved engine efficiency and longevity.
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$ 8.78
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1-2 weeks delivery time Discover the CR6HSA spark plug, engineered by NGK for high performance, featuring a spanner size of 16 mm, M10 x 1.0 thread size, and a middle electrode made of nickel. Designed for reliability, it includes a 5 kOhm interference suppression and a gasket seat with a spark position of 1.65 mm.
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$ 8.40
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1-2 weeks delivery time The CR6HSB spark plug, also from NGK, showcases advanced features for optimal engine performance. It has a 16 mm spanner size, M10 x 1.0 thread size, and a nickel middle electrode. With a fixed SAE connector and 5 kOhm interference suppression, it ensures dependable ignition.
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$ 6.59
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1-2 weeks delivery time Get to know the CR7HSA spark plug by NGK, crafted for durability in demanding conditions. This model features a 16 mm spanner size, M10 x 1.0 thread size, and a nickel middle electrode. It includes a 5 kOhm interference suppression and a gasket seat, making it a reliable choice for engine efficiency.
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$ 8.33
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1-2 weeks delivery time Learn about the CR8EB spark plug, designed by NGK to meet high performance standards. It has a 16 mm spanner size, M10 x 1.0 thread size, and a nickel middle electrode. With a spark position of 0.5 mm and 5 kOhm interference suppression, it ensures optimal engine reliability.
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$ 17.10
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1-2 weeks delivery time Discover the CR9EB spark plug, engineered for high performance and durability by NGK. This spark plug has a 16 mm spanner size, M10 x 1.0 thread size, and a nickel middle electrode. With a fixed SAE connector and 5 kOhm interference suppression, it stands out for its reliability.
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$ 18.09
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1-2 weeks delivery time Learn about the CR9EK spark plug, a premium offering from NGK designed for reliable ignition. It features a 16 mm spanner size, M10 x 1.0 thread size, and a nickel middle electrode. With a spark position of 2.5 mm and 5 kOhm interference suppression, it enhances overall engine performance.
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$ 22.45
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1-2 weeks delivery time Check out the specifications of the D5HS spark plug by NGK, designed for efficiency and reliability. It features a 12 mm thread diameter and a thread length of 12.7 mm, making it a solid choice for those seeking dependable performance.
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$ 7.45
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1-2 weeks delivery time This spark plug, D6HA, is designed for optimal performance and reliability across various engines, featuring a nickel middle electrode and an earthed electrode, with a spanner size of 18 mm and a spark position of 2.15 mm.
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$ 7.52
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Why is selecting the right spark plug critical for optimal engine performance in marine applications?
Selecting the right spark plug is critical for optimal engine performance in marine applications because it ensures proper ignition, efficient fuel combustion, and reliable operation in harsh conditions. Using the correct part number guarantees compatibility with the engine, maximizing performance and preventing potential damage. This careful selection increases engine efficiency, providing the best experience on the water.
Choosing the correct part number from trusted brands like Champion Spark Plugs helps maintain engine health and ensures smooth, efficient operation on the water.
How do marine spark plugs differ from standard auto parts used in cars?
Marine spark plugs differ from standard auto parts because they are specifically designed to withstand the harsh conditions of marine environments, including exposure to saltwater, humidity, and extreme temperature fluctuations. They often feature corrosion-resistant materials and a more robust construction to handle the unique demands of outboard and inboard engines. These features ensure reliable ignition and optimal performance even in challenging marine applications.